The Reds is a professional baseball team based in Cincinnati, Ohio. They are part of the National League (NL) and have been since 1876, making them one of the oldest teams in Major League Baseball. The Reds are also known as the 'Big Red Machine' due to their success in the 1970s. The Reds have won five World Series titles and nine NL pennants. The current roster of the Reds is made up of 25 players, making them a National League squad.